hi,i use to masturbate 4 to 5 times a day regularly..... now suddenly today no sperm is coming but my organism is erect... is it cause any danger but i have symptoms of Depression,Fatigue, even chronic fatigue,Low back pain (it can be just a dull ache or severe!),Eye floater,Fuzzy vision.Memory problems,Lack of concentration... age 22 ht 5'9 wt 64 sudden loss of weight also..